Cluster HAT Kit (includes 4 x Raspberry Pi Zero W)
SB Components LoRa HAT for Raspberry Pi (EU868) | Elektor
Amazon.com: Home Automation 8-Layer Stackable HAT for Raspberry Pi : Electronics
Raspberry Pi 4 Fan Case » By C4Labs » Pre-Order now open!
Rpi HiFi AMP Hat – InnoMaker English|USB TO CAN Analyzer|Raspberry Pi Solutions|Industrial Camera
Raspberry Pi Build HAT - LEGO Robotics Add-On For Raspberry Pi : ID 5287 : $25.00 : Adafruit Industries, Unique & fun DIY electronics and kits
Cluster HAT - DEV-18155 - SparkFun Electronics
Raspberry Pi Sense HAT - Adafruit | Mouser
Cytron Maker Hat Base – HAT & GPIO Extension for Raspberry Pi 400 | Elektor
Sailor Hat for Raspberry Pi (SH-RPi) – Hat Labs
IO Expansion HAT for Raspberry Pi 4B/3B+ - DFRobot
MCC 118/128: Voltage Measurement DAQ HAT for Raspberry Pi® - Digilent
Introducing Raspberry Pi HATs - Raspberry Pi
Raspberry Pi PoE+ HAT - PiShop.us
RGB Cooling HAT with cooling fan RGB Light OLED for Raspberry Pi
Power Over Ethernet HAT (Type B) For Raspberry Pi 3B+/4B, 802.3af Power-Sourcing Equipment Required
Adafruit Perma-Proto HAT for Pi Mini Kit - No EEPROM : ID 2310 : $4.95 : Adafruit Industries, Unique & fun DIY electronics and kits
Amazon.com: RPi GPIO Terminal Block Breakout Board HAT, for Raspberry Pi : Electronics
Amazon.com: waveshare POE HAT (C) for Raspberry Pi 4B/3B+, Power Over Ethernet HAT, Support IEEE 802.3af/at-Compliant Network,12V and 5V Power Outputs to Use More Peripherals : Electronics
Amazon.com: SparkFun Qwiic HAT for Raspberry Pi -Connect I2C sensors & accessories to a standard 2x20 GPIO header Pi Tin compatible 4 Qwiic connectors Daisy chain sensors & accessories Useful GPIO pins
SIM7600G-H 4G HAT (B) For Raspberry Pi, LTE Cat-4 4G / 3G / 2G Support, GNSS
SC0622 - Raspberry-pi - Add-on Board, Raspberry Pi Build HAT, 8 VDC Supply
Amazon.com: Audio HAT Module for Raspberry Pi 4B/3B+/3B/2B/B+/A+/Zero/Zero W/Pi Zero WH,WM8960 Hi-Fi Sound Card HAT Stereo CODEC, Play/Record : Electronics
